From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8890C433E1 for ; Thu, 14 May 2020 13:18:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8EDBE206DA for ; Thu, 14 May 2020 13:18:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728032AbgENNSM (ORCPT ); Thu, 14 May 2020 09:18:12 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:26490 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728004AbgENNSK (ORCPT ); Thu, 14 May 2020 09:18:10 -0400 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 04ED9Xe0020362; Thu, 14 May 2020 09:17:56 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com with ESMTP id 3100x5yec5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 May 2020 09:17:56 -0400 Received: from SCSQMBX11.ad.analog.com (scsqmbx11.ad.analog.com [10.77.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 04EDHsg7034683 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Thu, 14 May 2020 09:17:55 -0400 Received: from SCSQMBX11.ad.analog.com (10.77.17.10) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Thu, 14 May 2020 06:17:53 -0700 Received: from zeus.spd.analog.com (10.64.82.11) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Thu, 14 May 2020 06:17:53 -0700 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 04EDHUar017033; Thu, 14 May 2020 09:17:49 -0400 From: Alexandru Ardelean To: , , , CC: , , , , , , , , Alexandru Ardelean Subject: [PATCH v2 8/8] iio: core: move debugfs data on the private iio dev info Date: Thu, 14 May 2020 16:17:10 +0300 Message-ID: <20200514131710.84201-9-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200514131710.84201-1-alexandru.ardelean@analog.com> References: <20200514131710.84201-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 Content-Type: text/plain X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.676 definitions=2020-05-14_03:2020-05-14,2020-05-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=0 cotscore=-2147483648 mlxscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 phishscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005140117 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This change moves all iio_dev debugfs fields to the iio_dev_priv object. It's not the biggest advantage yet (to the whole thing of abstractization) but it's a start. Signed-off-by: Alexandru Ardelean --- drivers/iio/industrialio-core.c | 40 ++++++++++++++++++++++----------- include/linux/iio/iio-opaque.h | 10 +++++++++ include/linux/iio/iio.h | 13 +---------- 3 files changed, 38 insertions(+), 25 deletions(-) diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 7671d36efae7..26bef5032810 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -174,6 +174,13 @@ struct iio_dev *iio_priv_to_dev(void *priv) } EXPORT_SYMBOL_GPL(iio_priv_to_dev); +struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) +{ + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); + return iio_dev_opaque->debugfs_dentry; +} +EXPORT_SYMBOL_GPL(iio_get_debugfs_dentry); + /** * iio_find_channel_from_si() - get channel from its scan index * @indio_dev: device @@ -317,35 +324,37 @@ static ssize_t iio_debugfs_read_reg(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { struct iio_dev *indio_dev = file->private_data; + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); unsigned val = 0; int ret; if (*ppos > 0) return simple_read_from_buffer(userbuf, count, ppos, - indio_dev->read_buf, - indio_dev->read_buf_len); + iio_dev_opaque->read_buf, + iio_dev_opaque->read_buf_len); ret = indio_dev->info->debugfs_reg_access(indio_dev, - indio_dev->cached_reg_addr, + iio_dev_opaque->cached_reg_addr, 0, &val); if (ret) { dev_err(indio_dev->dev.parent, "%s: read failed\n", __func__); return ret; } - indio_dev->read_buf_len = snprintf(indio_dev->read_buf, - sizeof(indio_dev->read_buf), - "0x%X\n", val); + iio_dev_opaque->read_buf_len = snprintf(iio_dev_opaque->read_buf, + sizeof(iio_dev_opaque->read_buf), + "0x%X\n", val); return simple_read_from_buffer(userbuf, count, ppos, - indio_dev->read_buf, - indio_dev->read_buf_len); + iio_dev_opaque->read_buf, + iio_dev_opaque->read_buf_len); } static ssize_t iio_debugfs_write_reg(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { struct iio_dev *indio_dev = file->private_data; + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); unsigned reg, val; char buf[80]; int ret; @@ -360,10 +369,10 @@ static ssize_t iio_debugfs_write_reg(struct file *file, switch (ret) { case 1: - indio_dev->cached_reg_addr = reg; + iio_dev_opaque->cached_reg_addr = reg; break; case 2: - indio_dev->cached_reg_addr = reg; + iio_dev_opaque->cached_reg_addr = reg; ret = indio_dev->info->debugfs_reg_access(indio_dev, reg, val, NULL); if (ret) { @@ -387,23 +396,28 @@ static const struct file_operations iio_debugfs_reg_fops = { static void iio_device_unregister_debugfs(struct iio_dev *indio_dev) { - debugfs_remove_recursive(indio_dev->debugfs_dentry); + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); + debugfs_remove_recursive(iio_dev_opaque->debugfs_dentry); } static void iio_device_register_debugfs(struct iio_dev *indio_dev) { + struct iio_dev_opaque *iio_dev_opaque; + if (indio_dev->info->debugfs_reg_access == NULL) return; if (!iio_debugfs_dentry) return; - indio_dev->debugfs_dentry = + iio_dev_opaque = to_iio_dev_opaque(indio_dev); + + iio_dev_opaque->debugfs_dentry = debugfs_create_dir(dev_name(&indio_dev->dev), iio_debugfs_dentry); debugfs_create_file("direct_reg_access", 0644, - indio_dev->debugfs_dentry, indio_dev, + iio_dev_opaque->debugfs_dentry, indio_dev, &iio_debugfs_reg_fops); } #else diff --git a/include/linux/iio/iio-opaque.h b/include/linux/iio/iio-opaque.h index 1375674f14cd..b3f234b4c1e9 100644 --- a/include/linux/iio/iio-opaque.h +++ b/include/linux/iio/iio-opaque.h @@ -6,9 +6,19 @@ /** * struct iio_dev_opaque - industrial I/O device opaque information * @indio_dev: public industrial I/O device information + * @debugfs_dentry: device specific debugfs dentry + * @cached_reg_addr: cached register address for debugfs reads + * @read_buf: read buffer to be used for the initial reg read + * @read_buf_len: data length in @read_buf */ struct iio_dev_opaque { struct iio_dev indio_dev; +#if defined(CONFIG_DEBUG_FS) + struct dentry *debugfs_dentry; + unsigned cached_reg_addr; + char read_buf[20]; + unsigned int read_buf_len; +#endif }; #define to_iio_dev_opaque(indio_dev) \ diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index e82693db6578..a52a9f688b35 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -520,8 +520,6 @@ struct iio_buffer_setup_ops { * @groups: [INTERN] attribute groups * @groupcounter: [INTERN] index of next attribute group * @flags: [INTERN] file ops related flags including busy flag. - * @debugfs_dentry: [INTERN] device specific debugfs dentry. - * @cached_reg_addr: [INTERN] cached register address for debugfs reads. * @priv: [DRIVER] reference to driver's private information */ struct iio_dev { @@ -566,12 +564,6 @@ struct iio_dev { int groupcounter; unsigned long flags; -#if defined(CONFIG_DEBUG_FS) - struct dentry *debugfs_dentry; - unsigned cached_reg_addr; - char read_buf[20]; - unsigned int read_buf_len; -#endif void *priv; }; @@ -708,10 +700,7 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) * @indio_dev: IIO device structure for device **/ #if defined(CONFIG_DEBUG_FS) -static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) -{ - return indio_dev->debugfs_dentry; -} +struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev); #else static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) { -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92DE4C433E0 for ; Thu, 14 May 2020 13:19:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3A3C1206DA for ; 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Thu, 14 May 2020 09:17:55 -0400 Received: from SCSQMBX11.ad.analog.com (10.77.17.10) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Thu, 14 May 2020 06:17:53 -0700 Received: from zeus.spd.analog.com (10.64.82.11) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Thu, 14 May 2020 06:17:53 -0700 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 04EDHUar017033; Thu, 14 May 2020 09:17:49 -0400 From: Alexandru Ardelean To: , , , Subject: [PATCH v2 8/8] iio: core: move debugfs data on the private iio dev info Date: Thu, 14 May 2020 16:17:10 +0300 Message-ID: <20200514131710.84201-9-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200514131710.84201-1-alexandru.ardelean@analog.com> References: <20200514131710.84201-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.676 definitions=2020-05-14_03:2020-05-14, 2020-05-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=0 cotscore=-2147483648 mlxscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 phishscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005140117 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200514_061802_139914_49A635B7 X-CRM114-Status: GOOD ( 15.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alexandre.belloni@bootlin.com, alexandre.torgue@st.com, ludovic.desroches@microchip.com, ak@it-klinger.de, mcoquelin.stm32@gmail.com, eugen.hristev@microchip.com, Alexandru Ardelean , jic23@kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This change moves all iio_dev debugfs fields to the iio_dev_priv object. It's not the biggest advantage yet (to the whole thing of abstractization) but it's a start. Signed-off-by: Alexandru Ardelean --- drivers/iio/industrialio-core.c | 40 ++++++++++++++++++++++----------- include/linux/iio/iio-opaque.h | 10 +++++++++ include/linux/iio/iio.h | 13 +---------- 3 files changed, 38 insertions(+), 25 deletions(-) diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 7671d36efae7..26bef5032810 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -174,6 +174,13 @@ struct iio_dev *iio_priv_to_dev(void *priv) } EXPORT_SYMBOL_GPL(iio_priv_to_dev); +struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) +{ + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); + return iio_dev_opaque->debugfs_dentry; +} +EXPORT_SYMBOL_GPL(iio_get_debugfs_dentry); + /** * iio_find_channel_from_si() - get channel from its scan index * @indio_dev: device @@ -317,35 +324,37 @@ static ssize_t iio_debugfs_read_reg(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { struct iio_dev *indio_dev = file->private_data; + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); unsigned val = 0; int ret; if (*ppos > 0) return simple_read_from_buffer(userbuf, count, ppos, - indio_dev->read_buf, - indio_dev->read_buf_len); + iio_dev_opaque->read_buf, + iio_dev_opaque->read_buf_len); ret = indio_dev->info->debugfs_reg_access(indio_dev, - indio_dev->cached_reg_addr, + iio_dev_opaque->cached_reg_addr, 0, &val); if (ret) { dev_err(indio_dev->dev.parent, "%s: read failed\n", __func__); return ret; } - indio_dev->read_buf_len = snprintf(indio_dev->read_buf, - sizeof(indio_dev->read_buf), - "0x%X\n", val); + iio_dev_opaque->read_buf_len = snprintf(iio_dev_opaque->read_buf, + sizeof(iio_dev_opaque->read_buf), + "0x%X\n", val); return simple_read_from_buffer(userbuf, count, ppos, - indio_dev->read_buf, - indio_dev->read_buf_len); + iio_dev_opaque->read_buf, + iio_dev_opaque->read_buf_len); } static ssize_t iio_debugfs_write_reg(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { struct iio_dev *indio_dev = file->private_data; + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); unsigned reg, val; char buf[80]; int ret; @@ -360,10 +369,10 @@ static ssize_t iio_debugfs_write_reg(struct file *file, switch (ret) { case 1: - indio_dev->cached_reg_addr = reg; + iio_dev_opaque->cached_reg_addr = reg; break; case 2: - indio_dev->cached_reg_addr = reg; + iio_dev_opaque->cached_reg_addr = reg; ret = indio_dev->info->debugfs_reg_access(indio_dev, reg, val, NULL); if (ret) { @@ -387,23 +396,28 @@ static const struct file_operations iio_debugfs_reg_fops = { static void iio_device_unregister_debugfs(struct iio_dev *indio_dev) { - debugfs_remove_recursive(indio_dev->debugfs_dentry); + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); + debugfs_remove_recursive(iio_dev_opaque->debugfs_dentry); } static void iio_device_register_debugfs(struct iio_dev *indio_dev) { + struct iio_dev_opaque *iio_dev_opaque; + if (indio_dev->info->debugfs_reg_access == NULL) return; if (!iio_debugfs_dentry) return; - indio_dev->debugfs_dentry = + iio_dev_opaque = to_iio_dev_opaque(indio_dev); + + iio_dev_opaque->debugfs_dentry = debugfs_create_dir(dev_name(&indio_dev->dev), iio_debugfs_dentry); debugfs_create_file("direct_reg_access", 0644, - indio_dev->debugfs_dentry, indio_dev, + iio_dev_opaque->debugfs_dentry, indio_dev, &iio_debugfs_reg_fops); } #else diff --git a/include/linux/iio/iio-opaque.h b/include/linux/iio/iio-opaque.h index 1375674f14cd..b3f234b4c1e9 100644 --- a/include/linux/iio/iio-opaque.h +++ b/include/linux/iio/iio-opaque.h @@ -6,9 +6,19 @@ /** * struct iio_dev_opaque - industrial I/O device opaque information * @indio_dev: public industrial I/O device information + * @debugfs_dentry: device specific debugfs dentry + * @cached_reg_addr: cached register address for debugfs reads + * @read_buf: read buffer to be used for the initial reg read + * @read_buf_len: data length in @read_buf */ struct iio_dev_opaque { struct iio_dev indio_dev; +#if defined(CONFIG_DEBUG_FS) + struct dentry *debugfs_dentry; + unsigned cached_reg_addr; + char read_buf[20]; + unsigned int read_buf_len; +#endif }; #define to_iio_dev_opaque(indio_dev) \ diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index e82693db6578..a52a9f688b35 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -520,8 +520,6 @@ struct iio_buffer_setup_ops { * @groups: [INTERN] attribute groups * @groupcounter: [INTERN] index of next attribute group * @flags: [INTERN] file ops related flags including busy flag. - * @debugfs_dentry: [INTERN] device specific debugfs dentry. - * @cached_reg_addr: [INTERN] cached register address for debugfs reads. * @priv: [DRIVER] reference to driver's private information */ struct iio_dev { @@ -566,12 +564,6 @@ struct iio_dev { int groupcounter; unsigned long flags; -#if defined(CONFIG_DEBUG_FS) - struct dentry *debugfs_dentry; - unsigned cached_reg_addr; - char read_buf[20]; - unsigned int read_buf_len; -#endif void *priv; }; @@ -708,10 +700,7 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) * @indio_dev: IIO device structure for device **/ #if defined(CONFIG_DEBUG_FS) -static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) -{ - return indio_dev->debugfs_dentry; -} +struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev); #else static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) { -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel